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zysi [14]
3 years ago
8

How is 81^1/4 is 3?

Mathematics
1 answer:
e-lub [12.9K]3 years ago
6 0

Answer:

\sqrt[4]{81}  =  {( {3}^{4}) }^{ \frac{1}{4} }

Step-by-step explanation:

it's obvious that 3·3·3·3=81

or you can do the prime factorization of 81

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What’s the correct answer for this question?
sp2606 [1]

A total of 13 teens were surveyed.

8 of those read books.

The probability would be 8/13 = 0.6153

Rounded to the nearest hundredth = 0.62

8 0
3 years ago
Write an equation for a line with a slope of 5 and y-inter of -3
Daniel [21]

Answer:

y=5x-3

Step-by-step explanation:

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6 0
3 years ago
HELP! Ev evaluate the square root of 16 plus the square root of 29, correct to two decimal places.
Stella [2.4K]

Answer:

\sqrt{16} +\sqrt{29} =9.39

Step-by-step explanation:

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6 0
3 years ago
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The volume of a cone is 108 pi cubic inches. Its height is 4 inches. What is the radius of the cone? Round answer to nearest ten
leonid [27]

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\ -----\\ V=108\pi \\ h=4 \end{cases}\implies 108\pi =\cfrac{\pi r^2(4)}{3}\implies 324\pi =4\pi r^2 \\\\\\ \cfrac{324\pi }{4\pi }=r^2\implies 81=r^2\implies \sqrt{81}=r\implies 9=r

7 0
3 years ago
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What is the length of the diagonal, d, of the rectangular prism shown below?
Lena [83]

Answer:

d = 10√10 ≈ 31.62

Step-by-step explanation:

d = √l²+w²+h²

d = √5²+8²+2²

d = √25+81+4

d = √110

d = 10*√10

4 0
3 years ago
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